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1 /*
2  * Copyright (C) 2017 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef ART_COMPILER_OPTIMIZING_DATA_TYPE_INL_H_
18 #define ART_COMPILER_OPTIMIZING_DATA_TYPE_INL_H_
19 
20 #include "data_type.h"
21 #include "dex/primitive.h"
22 
23 namespace art {
24 
25 // Note: Not declared in data_type.h to avoid pulling in "primitive.h".
DataTypeFromPrimitive(Primitive::Type type)26 constexpr DataType::Type DataTypeFromPrimitive(Primitive::Type type) {
27   switch (type) {
28     case Primitive::kPrimNot: return DataType::Type::kReference;
29     case Primitive::kPrimBoolean: return DataType::Type::kBool;
30     case Primitive::kPrimByte: return DataType::Type::kInt8;
31     case Primitive::kPrimChar: return DataType::Type::kUint16;
32     case Primitive::kPrimShort: return DataType::Type::kInt16;
33     case Primitive::kPrimInt: return DataType::Type::kInt32;
34     case Primitive::kPrimLong: return DataType::Type::kInt64;
35     case Primitive::kPrimFloat: return DataType::Type::kFloat32;
36     case Primitive::kPrimDouble: return DataType::Type::kFloat64;
37     case Primitive::kPrimVoid: return DataType::Type::kVoid;
38   }
39   LOG(FATAL) << "Unreachable";
40   UNREACHABLE();
41 }
42 
FromShorty(char type)43 constexpr DataType::Type DataType::FromShorty(char type) {
44   return DataTypeFromPrimitive(Primitive::GetType(type));
45 }
46 
TypeId(DataType::Type type)47 constexpr char DataType::TypeId(DataType::Type type) {
48   // Type id for visualizer.
49   // Types corresponding to Java types are given a lower-case version of their shorty character.
50   switch (type) {
51     case DataType::Type::kBool: return 'z';       // Java boolean (Z).
52     case DataType::Type::kUint8: return 'a';      // The character before Java byte's 'b'.
53     case DataType::Type::kInt8: return 'b';       // Java byte (B).
54     case DataType::Type::kUint16: return 'c';     // Java char (C).
55     case DataType::Type::kInt16: return 's';      // Java short (S).
56     case DataType::Type::kUint32: return 'u';     // Picked 'u' for unsigned.
57     case DataType::Type::kInt32: return 'i';      // Java int (I).
58     case DataType::Type::kUint64: return 'w';     // Picked 'w' for long unsigned.
59     case DataType::Type::kInt64: return 'j';      // Java long (J).
60     case DataType::Type::kFloat32: return 'f';    // Java float (F).
61     case DataType::Type::kFloat64: return 'd';    // Java double (D).
62     case DataType::Type::kReference: return 'l';  // Java reference (L).
63     case DataType::Type::kVoid: return 'v';       // Java void (V).
64   }
65   LOG(FATAL) << "Unreachable";
66   UNREACHABLE();
67 }
68 
69 }  // namespace art
70 
71 #endif  // ART_COMPILER_OPTIMIZING_DATA_TYPE_INL_H_
72